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Task: Generate a list of open questions from the following passage.

Africa has many distinct climates and vegetation zones. The Sahara Desert stretches over large portions of the northern part of the continent, and the Sahel region borders the desert, providing a semi-arid bufferzone before the savannas and tropical forests.

Answer:
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1. What are the consequences of the Sahara Desert on Africa's climate and vegetation? 
2. How does the Sahel region protect the savannas and tropical forests? 
3. What are the differences between arid and semi-arid areas? 
4. How has climate change impacted the African continent? 
5. How is the agricultural industry affected by different climates and vegetation zones? 
6. What strategies are being used to adapt to changing climates in Africa? 
7. How do the different vegetation zones in Africa benefit wildlife? 
8. What are the implications of increasing desertification in Africa?